kron 中文意思是什麼
kron
解釋
克朗-
Use 3 - 5 adjectives to describe aladar ， kron ， neera and bruton. then tell the reason
用3 - 5個形容詞來描述一下艾力達、克隆、妮娜和布魯頓，然後說明理由。 -
Integrated mathematical model is set based on the whole system by kron transform
通過對電機基本方程進行kron變換，建立了系統完整的數學模型。 -
Accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is use to calculate the dynamic and steady performance by kron and symmetrical coordinate converter
論文通過對電機基本方程進行kron變換和對稱分量變換，分別建立了系統完整的數學模型，編制了動態和穩態模擬程序，並對系統進行了模擬，對系統的動態、穩態性能進行分析。 -
The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance
通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
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